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Your search for Subject shear strengthresulted in 40 records.

Title: Experiments in Layered Snow Samples Under Shear and Tension
Date: 2004
Authors: S.K. Joshi, S. Senthil, P. Mahajan
Description: Avalanche release phenomenon by nature involves the failures by both tension and shear. Clear illustration of these failure phenomena individually or...
Object ID: issw-2004-056.pdf
Keywords: release, fracture, homogenous, tensile, shear
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Title: Fracture of Layered Snow by Cohesive Zone Technique and Experiments
Date: 2004
Authors: S. Senthil, P. Mahajan, S.K. Joshi
Description: One mechanism responsible for avalanche initiation is the weak bond between snow layers. Experiments under controlled conditions at the cold lab are ...
Object ID: issw-2004-064.pdf
Keywords: fracture, snow layers, cohesive zone, fem
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Title: Investigations of Wet Snow Stability in the Intermountain Climate Zone
Date: 2004
Authors: Simon A. Trautman, Stephan G. Custer, Karl W. Birkeland
Description: Bridger Bowl Ski Area outside of Bozeman, MT, USA, has encountered annual problems forecasting large, wet loose avalanches that occur during warming e...
Object ID: issw-2004-074.pdf
Keywords: wet avalanche, shear strength, stability, avalanche activity
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Title: Correlating Snow Micro-Structure with Snow Shear Strength
Date: 2004
Authors: Eric R. Lutz, Karl W. Birkeland , Kalle Kronholm , Kathy Hansen , Richard Aspinall
Description: Extended Abstract
Object ID: issw-2004-121-123.pdf
Keywords: snow microstructure, shear strength, stability, persistent weak layer
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Title: The Ak Block, A Sized-Block Snow Test
Date: 2004
Authors: Bill Glude
Description: The AK Block is a snow test developed and used by the Southeast Alaska Avalanche Center staff over a 20-year period. It is a block sized to the teste...
Object ID: issw-2004-153-160.pdf
Keywords: avalanche, snow stability tests, block tests, sized-block, ak block, rutschblock
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Title: Relating Spatial Variability to Snow Stability Using a Cellular Automaton Model Initialized with Field Data
Date: 2004
Authors: Kalle Kronholm, Karl W. Birkeland
Description: This research uses a two-dimensional cellular automaton model, with inputs taken from field data, to mimic snow slab avalanche release. The initial we...
Object ID: issw-2004-308-314.pdf
Keywords: stochastic, avalanche release, shear strength, shear stress, fracture propagation
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Title: Integrating Shear Quality into Stability Test Results
Date: 2002
Authors: Ron F. Johnson, Karl W. Birkeland
Description: This study investigates whether collecting shear quality data in conjunction with stability test results improves snowpack evaluations. Over the past ...
Object ID: issw-2002-508-513.pdf
Keywords: avalanche forecasting, snow stability, stability tests, stability evaluation
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Title: Forecasting Shear Strength and Skier-Triggered Avalanches for Buried Surface Hoar Layers
Date: 2002
Authors: Thomas S. Chalmers, J. Bruce Jamieson
Description: In the Columbia Mountains of western Canada, skier-triggered slab avalanches on weak layers of buried surface hoar occur mostly within the first 10 to...
Object ID: issw-2002-138-140.pdf
Keywords: avalanche forecasting, snowpack stratigraphy, surface hoar, snow strength, snow stability
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Title: Preliminary Results of Snow Surface Friction Coefficient Measurements
Date: 2002
Authors: J. Andrew Gleason
Description: A measure of the strength of bonding of new snow to surface layers would be useful for avalanche workers. A new instrument to measure snow surface fri...
Object ID: issw-2002-523-527.pdf
Keywords: coefficient, snow surface, shear strength, temperature
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Title: Image Analysis Determination of Micro-Structural Parameters of Snow and their Correlation With Snow Tensile Strength
Date: 2002
Authors: DN Sethi, PK Srivastava, P Mahajan
Description: Deformation behaviour of snow under tensile stress, particularly the strength characteristics with respect to material microstructure, deformation rat...
Object ID: issw-2002-307-313.pdf
Keywords: snow microstructure, image processing, tensile strength
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Title: Characterizing the Microstructural and Micromechanical Properties of Snow
Date: 1998
Authors: Jerome B. Johnson, Martin Schneebeli
Description: A micropenetrometer has been developed that produces snow grain bond ruptures at the microstructural level and provides a unique signal for different ...
Object ID: issw-1998-049-058.pdf
Keywords: snow hardness, snow engineering, snow strength, snow mechanics
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Title: Snow Stability Patterns in the Bridger Range, Montana
Date: 1998
Authors: Karl W. Birkeland
Description: Though avalanche workers and scientists recognize that distinct patterns of snow stability exist in mountainous terrain, no field-based research has b...
Object ID: issw-1998-362-367.pdf
Keywords: wind exposure, avalanche forecasters, snow stability
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Title: Snowpack Temperature and Decreases in Tensile Strength
Date: 1998
Authors: R. S. Rosso, D. Howlett, S. Calhoun
Description: In an effort to understand post-control and other natural avalanches that occur shortly after rain begins or the sun's rays start to warm the starting...
Object ID: issw-1998-508-513.pdf
Keywords: rain-on-snow, snow temperature, snow strength
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Title: The Cantilever Beam or Bridgeblock Snow Strength Test
Date: 1998
Authors: Craig Sterbenz
Description: Weak layers buried within the snowpack are chiefly responsible for slab avalanche formation. These weak layers tend to fail in shear when subjected to...
Object ID: issw-1998-566-573.pdf
Keywords: avalanche forecasting, avalanche formation, snow mechanics, snow hardness, snow strength
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Title: Preliminary Results Controlled Shear Experiments
Date: 1996
Authors: Jurg Schweizer
Description: Snow samples (115 mm in diameter, 16-18 mm in height) were taken from the field and shortly afterwards tested in a cold laboratory using a direct simp...
Object ID: issw-1996-195-197.pdf
Keywords: snow mechanics, snow strength, snow temperature, snow failure, fracture
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